Crypto-condition Spec and Status

Just wanted to follow up on Thursday's discussion by posting a first draft
and example implementation of the crypto-conditions spec:

https://github.com/interledger/five-bells-condition/tree/feature/binary-merkle

Also here are the slides I presented on Thursday. For those who weren't
able to join, the presentation was recorded and we will seek to make the
recording available as soon as we can.

http://www.slideshare.net/Interledger/ilp-workshop-cryptoconditions

- Stefan